2023A&A...680A..35G


Query : 2023A&A...680A..35G

2023A&A...680A..35G - Astronomy and Astrophysics, volume 680A35 (2023/12-1)

Gaia Focused Product Release: Sources from Service Interface Function image analysis Half a million new sources in omega Centauri.

GAIA COLLABORATION, WEINGRILL K., MINTS A., CASTANEDA J., KOSTRZEWA-RUTKOWSKA Z., DAVIDSON M., DE ANGELI F., HERNANDEZ J., TORRA F., RAMOS-LERATE M., BABUSIAUX C., BIERMANN M., CROWLEY C., EVANS D.W., LINDEGREN L., MARTIN-FLEITAS J.M., PALAVERSA L., RUZ MIERES D., TISANIC K., BROWN A.G.A., VALLENARI A., PRUSTI T., DE BRUIJNE J.H.J., ARENOU F., BARBIER A., CREEVEY O.L., DUCOURANT C., EYER L., GUERRA R., HUTTON A., JORDI C., KLIONER S.A., LAMMERS U., LURI X., MIGNARD F., RANDICH S., SARTORETTI P., SMILJANIC R., TANGA P., WALTON N.A., BAILER-JONES C.A.L., BASTIAN U., CROPPER M., DRIMMEL R., KATZ D., SOUBIRAN C., VAN LEEUWEN F., AUDARD M., BAKKER J., BLOMME R., FABRICIUS C., FOUESNEAU M., FREMAT Y., GALLUCCIO L., GUERRIER A., MASANA E., MESSINEO R., NICOLAS C., NIENARTOWICZ K., PAILLER F., PANUZZO P., RICLET F., ROUX W., SEABROKE G.M., SORDO R., THEVENIN F., GRACIA-ABRIL G., PORTELL J., TEYSSIER D., ALTMANN M., BENSON K., BERTHIER J., BURGESS P.W., BUSONERO D., BUSSO G., CANOVAS H., CARRY B., CHEEK N., CLEMENTINI G., DAMERDJI Y., DE TEODORO P., DELCHAMBRE L., DELL'ORO A., FRAILE GARCIA E., GARABATO D., GARCIA-LARIO P., GARRALDA TORRES N., GAVRAS P., HAIGRON R., HAMBLY N.C., HARRISON D.L., HATZIDIMITRIOU D., HODGKIN S.T., HOLL B., JAMAL S., JORDAN S., KRONE-MARTINS A., LANZAFAME A.C., LOFFLER W., LORCA A., MARCHAL O., MARRESE P.M., MOITINHO A., MUINONEN K., NUNEZ CAMPOS M., ORESHINA-SLEZAK I., OSBORNE P., PANCINO E., PAUWELS T., RECIO-BLANCO A., RIELLO M., RIMOLDINI L., ROBIN A.C., ROEGIERS T., SARRO L.M., SCHULTHEIS M., SIOPIS C., SMITH M., SOZZETTI A., UTRILLA E., VAN LEEUWEN M., ABBAS U., ABRAHAM P., ABREU ARAMBURU A., AERTS C., ALTAVILLA G., ALVAREZ M.A., ALVES J., ANDERS F., ANDERSON R.I., ANTOJA T., BAINES D., BAKER S.G., BALOG Z., BARACHE C., BARBATO D., BARROS M., BARSTOW M.A., BARTOLOME S., BASHI D., BAUCHET N., BAUDEAU N., BECCIANI U., BEDIN L.R., BELLAS-VELIDIS I., BELLAZZINI M., BEORDO W., BERIHUETE A., BERNET M., BERTOLOTTO C., BERTONE S., BIANCHI L., BINNENFELD A., BLAZERE A., BOCH T., BOMBRUN A., BOUQUILLON S., BRAGAGLIA A., BRAINE J., BRAMANTE L., BREEDT E., BRESSAN A., BROUILLET N., BRUGALETTA E., BUCCIARELLI B., BUTKEVICH A.G., BUZZI R., CAFFAU E., CANCELLIERE R., CANNIZZO S., CANTAT-GAUDIN T., CARBALLO R., CARLUCCI T., CARNERERO M.I., CARRASCO J.M., CARRETERO J., CARTON S., CASAMIQUELA L., CASTELLANI M., CASTRO-GINARD A., CESARE V., CHARLOT P., CHEMIN L., CHIARAMIDA V., CHIAVASSA A., CHORNAY N., COLLINS R., CONTURSI G., COOPER W.J., CORNEZ T., CROSTA M., DAFONTE C., DE LAVERNY P., DE LUISE F., DE MARCH R., DE SOUZA R., DE TORRES A., DEL PELOSO E.F., DELBO M., DELGADO A., DHARMAWARDENA T.E., DIAKITE S., DIENER C., DISTEFANO E., DOLDING C., DSILVA K., DURAN J., ENKE H., ESQUEJ P., FABRE C., FABRIZIO M., FAIGLER S., FATOVIC M., FEDORETS G., FERNANDEZ-HERNANDEZ J., FERNIQUE P., FIGUERAS F., FOURNIER Y., FOURON C., GAI M., GALINIER M., GARCIA-GUTIERREZ A., GARCIA-TORRES M., GAROFALO A., GERLACH E., GEYER R., GIACOBBE P., GILMORE G., GIRONA S., GIUFFRIDA G., GOMEL R., GOMEZ A., GONZALEZ-NUNEZ J., GONZALEZ-SANTAMARIA I., GOSSET E., GRANVIK M., GREGORI BARRERA V., GUTIERREZ-SANCHEZ R., HAYWOOD M., HELMER A., HELMI A., HENARES K., HIDALGO S.L., HILGER T., HOBBS D., HOTTIER C., HUCKLE H.E., JABLONSKA M., JANSEN F., JIMENEZ-ARRANZ O., JUARISTI CAMPILLO J., KHANNA S., KORDOPATIS G., KOSPAL A., KUN M., LAMBERT S., LANZA A.F., LE CAMPION J.-F., LEBRETON Y., LEBZELTER T., LECCIA S., LECOEUR-TAIBI I., LECOUTRE G., LIAO S., LIBERATO L., LICATA E., LINDSTROM H.E.P., LISTER T.A., LIVANOU E., LOBEL A., LOUP C., MAHY L., MANN R.G., MANTEIGA M., MARCHANT J.M., MARCONI M., MARIN PINA D., MARINONI S., MARSHALL D.J., MARTIN LOZANO J., MARTON G., MARY N., MASIP A., MASSARI D., MASTROBUONO-BATTISTI A., MAZEH T., McMILLAN P.J., MEICHSNER J., MESSINA S., MICHALIK D., MILLAR N.R., MOLINA D., MOLINARO R., MOLNAR L., MONARI G., MONGUIO M., MONTEGRIFFO P., MONTERO A., MOR R., MORA A., MORBIDELLI R., MOREL T., MORRIS D., MOWLAVI N., MUNOZ D., MURAVEVA T., MURPHY C.P., MUSELLA I., NAGY Z., NIETO S., NOVAL L., OGDEN A., ORDENOVIC C., PAGANI C., PAGANO I., PALICIO P.A., PALLAS-QUINTELA L., PANAHI A., PANEM C., PAYNE-WARDENAAR S., PEGORARO L., PENTTILA A., PESCIULLESI P., PIERSIMONI A.M., PINAMONTI M., PINEAU F.-X., PLACHY E., PLUM G., POGGIO E., POURBAIX D., PRSA A., PULONE L., RACERO E., RAINER M., RAITERI C.M., RAMOS P., RATAJCZAK M., RE FIORENTIN P., REGIBO S., REYLE C., RIPEPI V., RIVA A., RIX H.-W., RIXON G., ROBICHON N., ROBIN C., ROMERO-GOMEZ M., ROWELL N., ROYER F., RYBICKI K.A., SADOWSKI G., SAEZ NUNEZ A., SAGRISTA SELLES A., SAHLMANN J., SANCHEZ GIMENEZ V., SANNA N., SANTOVENA R., SARASSO M., SARRATE RIERA C., SCIACCA E., SEGOVIA J.C., SEGRANSAN D., SHAHAF S., SIEBERT A., SILTALA L., SLEZAK E., SMART R.L., SNAITH O.N., SOLANO E., SOLITRO F., SOUAMI D., SOUCHAY J., SPINA L., SPITONI E., SPOTO F., SQUILLANTE L.A., STEELE I.A., STEIDELMULLER H., SURDEJ J., SZABADOS L., TARIS F., TAYLOR M.B., TEIXEIRA R., TOLOMEI L., TORRALBA ELIPE G., TRABUCCHI M., TSANTAKI M., ULLA A., UNGER N., VANEL O., VECCHIATO A., VICENTE D., VOUTSINAS S., WEILER M., WYRZYKOWSKI L., ZHAO H., ZOREC J., ZWITTER T., BALAGUER-NUNEZ L., LECLERC N., MORGENTHALER S., ROBERT G. and ZUCKER S.

Abstract (from CDS):

Context.Gaia's readout window strategy is challenged by very dense fields in the sky. Therefore, in addition to standard Gaia observations, full Sky Mapper (SM) images were recorded for nine selected regions in the sky. A new software pipeline exploits these Service Interface Function (SIF) images of crowded fields (CFs), making use of the availability of the full two-dimensional (2D) information. This new pipeline produced half a million additional Gaia sources in the region of the omega Centauri (ω Cen) cluster, which are published with this Focused Product Release. We discuss the dedicated SIF CF data reduction pipeline, validate its data products, and introduce their Gaia archive table.
Aims. Our aim is to improve the completeness of the Gaia source inventory in a very dense region in the sky, ω Cen.
Methods. An adapted version of Gaia's Source Detection and Image Parameter Determination software located sources in the 2D SIF CF images. These source detections were clustered and assigned to new SIF CF or existing Gaia sources by Gaia s cross-match software. For the new sources, astrometry was calculated using the Astrometric Global Iterative Solution software, and photometry was obtained in the Gaia DR3 reference system. We validated the results by comparing them to the public Gaia DR3 catalogue and external Hubble Space Telescope data.
Results. With this Focused Product Release, 526 587 new sources have been added to the Gaia catalogue in ω Cen. Apart from positions and brightnesses, the additional catalogue contains parallaxes and proper motions, but no meaningful colour information. While SIF CF source parameters generally have a lower precision than nominal Gaia sources, in the cluster centre they increase the depth of the combined catalogue by three magnitudes and improve the source density by a factor of ten.
Conclusions. This first SIF CF data publication already adds great value to the Gaia catalogue. It demonstrates what to expect for the fourth Gaia catalogue, which will contain additional sources for all nine SIF CF regions.

Abstract Copyright: © The Authors 2023

Journal keyword(s): methods: data analysis - techniques: image processing - astronomical databases: miscellaneous - catalogs - astrometry

VizieR on-line data: <Available at CDS (J/A+A/680/A35): table.dat>

Status at CDS : All or part of tables of objects will not be ingested in SIMBAD.

Simbad objects: 11

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Number of rows : 11
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 NGC 104 GlC 00 24 05.359 -72 04 53.20     4.09     ~ 4158 0
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 12317 1
3 NAME Magellanic Clouds GrG 03 00 -71.0           ~ 7988 0
4 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 19090 0
5 NGC 4372 GlC 12 25 45.43 -72 39 32.7   10.86 9.85     ~ 327 0
6 ACO 3526 ClG 12 48 49.2 -41 18 17           ~ 1154 2
7 NGC 5139 GlC 13 26 47.28 -47 28 46.1           ~ 3677 0
8 M 4 GlC 16 23 35.22 -26 31 32.7           ~ 1978 0
9 NAME Sgr I Window reg 17 56 -29.0           ~ 71 0
10 NAME Baade Window reg 18 03.5 -30 01           ~ 643 3
11 M 22 GlC 18 36 23.94 -23 54 17.1           ~ 1459 0

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